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Finding the Fourth Proportional to 202,051.50, 303,078.76 and 89,701.52

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Solution

The fourth proportional to 202,051.50, 303,078.76 and 89,701.52 is: 134,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,051.50 : 303,078.76 = 89,701.52 : x
  2. Step 2: Convert to fraction form
    202,051.50/303,078.76 = 89,701.52/x
  3. Step 3: Cross multiply
    202,051.50x = 303,078.76 × 89,701.52
  4. Step 4: Simplify right side
    202,051.50x = 27,186,625,451.72
  5. Step 5: Solve for x
    x = 27,186,625,451.72/202,051.50
  6. Step 6: Final answer
    x = 134,552.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.